magnesium transporter 1
Dernière mise à jour 18 Aug 2020
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La MAGT1 gene provides instructions for making a protein called a magnesium transporter, which moves charged atoms (ions) of magnesium (Mg2+) into certain immune system cells called T cells. T cells recognise foreign invaders, such as viruses, bacteria, and fungi, and are then turned on (activated) to attack these invaders in order to prevent infection and illness. Specifically, the magnesium transporter produced from the MAGT1 gene is active in CD8+ T cells, which are especially important in controlling viral infections such as the Epstein-Barr virus (EBV). These cells normally take in magnesium when they detect a foreign invader, and the magnesium is involved in activating the T cell's response.
Normal function
La MAGT1 gene provides instructions for making a protein called a magnesium transporter, which moves charged atoms (ions) of magnesium (Mg2+) into certain immune system cells called T cells. T cells recognise foreign invaders, such as viruses, bacteria, and fungi, and are then turned on (activated) to attack these invaders in order to prevent infection and illness. Specifically, the magnesium transporter produced from the MAGT1 gene is active in CD8+ T cells, which are especially important in controlling viral infections such as the Epstein-Barr virus (EBV). These cells normally take in magnesium when they detect a foreign invader, and the magnesium is involved in activating the T cell's response.
Researchers suggest that magnesium transport may also be involved in the production of another type of T cell called helper T cells (CD4+ T cells) in a gland called the thymus. CD4+ T cells direct and assist the functions of the immune system by influencing the activities of other immune system cells.
Conditions referring to this gene or chromosome
Other names
bA217H1.1
DKFZp564K142
IAP
implantation-associated protein
magnesium transporter protein 1
MRX95
oligosaccharyltransferase 3 homolog B
OST3B
PRO0756
XMEN
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Lectures complémentaires et références
- magnesium transporter 1; MedlinePlus, National Library of Medicine.
- Brandao K, Deason-Towne F, Perraud AL, Schmitz C. The role of Mg2+ in immune cells. Immunol Res. 2013 Mar;55(1-3):261-9. doi: 10.1007/s12026-012-8371-x.
- Chaigne-Delalande B, Li FY, O'Connor GM, Lukacs MJ, Jiang P, Zheng L, Shatzer A, Biancalana M, Pittaluga S, Matthews HF, Jancel TJ, Bleesing JJ, Marsh RA, Kuijpers TW, Nichols KE, Lucas CL, Nagpal S, Mehmet H, Su HC, Cohen JI, Uzel G, Lenardo MJ. Mg2+ regulates cytotoxic functions of NK and CD8 T cells in chronic EBV infection through NKG2D. Science. 2013 Jul 12;341(6142):186-91. doi: 10.1126/science.1240094.
- Li FY, Chaigne-Delalande B, Kanellopoulou C, Davis JC, Matthews HF, Douek DC, Cohen JI, Uzel G, Su HC, Lenardo MJ. Second messenger role for Mg2+ revealed by human T-cell immunodeficiency. Nature. 2011 Jul 27;475(7357):471-6. doi: 10.1038/nature10246.
- Li FY, Chaigne-Delalande B, Su H, Uzel G, Matthews H, Lenardo MJ. XMEN disease: a new primary immunodeficiency affecting Mg2+ regulation of immunity against Epstein-Barr virus. Blood. 2014 Apr 3;123(14):2148-52. doi: 10.1182/blood-2013-11-538686. Epub 2014 Feb 18.
- Li FY, Lenardo MJ, Chaigne-Delalande B. Loss of MAGT1 abrogates the Mg2+ flux required for T cell signaling and leads to a novel human primary immunodeficiency. Magnes Res. 2011 Sep;24(3):S109-14. doi: 10.1684/mrh.2011.0286.
- Wolf FI, Trapani V. MagT1: a highly specific magnesium channel with important roles beyond cellular magnesium homeostasis. Magnes Res. 2011 Sep;24(3):S86-91. doi: 10.1684/mrh.2011.0288.
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